有效防治病虫害是无公害蔬菜栽培成功的关键。生产无公害蔬菜必须处理好防病虫、保产量、防污染三者的关系。 1 重视农药的选择 生产AA级绿色蔬菜时,允许使用植物源杀虫剂、杀菌剂、拒避剂和增效剂,如除虫菊素、鱼藤根、烟草水、大蒜素、川楝等;允许释放寄生性捕食性天敌动物,如赤眼蜂、瓢虫、捕食螨、 Effective prevention and control of pests and diseases is the key to the success of pollution-free vegetable cultivation. Production of pollution-free vegetables must deal with pest control, production and pollution prevention, the relationship between the three. 1 emphasis on the choice of pesticides When producing AA grade green vegetables, allows the use of plant-based insecticides, fungicides, repellents and synergists, such as pyrethrum, root, tobacco water, allicin, Parasitic predators of natural enemies such as Trichogramma, ladybugs, predatory mites,